18896899860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{7639}}^1$

素因数の和:8172

約数の個数: 144

約数和(自身を含む): 59568163200

約数和(自身を除く): 40671263340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 509, 540, 810, 972, 1018, 1215, 1527, 1620, 2036, 2430, 2545, 3054, 4581, 4860, 5090, 6108, 7635, 7639, 9162, 10180, 13743, 15270, 15278, 18324, 22905, 22917, 27486, 30540, 30556, 38195, 41229, 45810, 45834, 54972, 68715, 68751, 76390, 82458, 91620, 91668, 114585, 123687, 137430, 137502, 152780, 164916, 206145, 206253, 229170, 247374, 274860, 275004, 343755, 412290, 412506, 458340, 494748, 618435, 618759, 687510, 824580, 825012, 1031265, 1236870, 1237518, 1375020, 1856277, 2062530, 2473740, 2475036, 3093795, 3712554, 3888251, 4125060, 6187590, 7425108, 7776502, 9281385, 11664753, 12375180, 15553004, 18562770, 19441255, 23329506, 34994259, 37125540, 38882510, 46659012, 58323765, 69988518, 77765020, 104982777, 116647530, 139977036, 174971295, 209965554, 233295060, 314948331, 349942590, 419931108, 524913885, 629896662, 699885180, 944844993, 1049827770, 1259793324, 1574741655, 1889689986, 2099655540, 3149483310, 3779379972, 4724224965, 6298966620, 9448449930, 18896899860]

約数ペア:

[(1, 18896899860), (2, 9448449930), (3, 6298966620), (4, 4724224965), (5, 3779379972), (6, 3149483310), (9, 2099655540), (10, 1889689986), (12, 1574741655), (15, 1259793324), (18, 1049827770), (20, 944844993), (27, 699885180), (30, 629896662), (36, 524913885), (45, 419931108), (54, 349942590), (60, 314948331), (81, 233295060), (90, 209965554), (108, 174971295), (135, 139977036), (162, 116647530), (180, 104982777), (243, 77765020), (270, 69988518), (324, 58323765), (405, 46659012), (486, 38882510), (509, 37125540), (540, 34994259), (810, 23329506), (972, 19441255), (1018, 18562770), (1215, 15553004), (1527, 12375180), (1620, 11664753), (2036, 9281385), (2430, 7776502), (2545, 7425108), (3054, 6187590), (4581, 4125060), (4860, 3888251), (5090, 3712554), (6108, 3093795), (7635, 2475036), (7639, 2473740), (9162, 2062530), (10180, 1856277), (13743, 1375020), (15270, 1237518), (15278, 1236870), (18324, 1031265), (22905, 825012), (22917, 824580), (27486, 687510), (30540, 618759), (30556, 618435), (38195, 494748), (41229, 458340), (45810, 412506), (45834, 412290), (54972, 343755), (68715, 275004), (68751, 274860), (76390, 247374), (82458, 229170), (91620, 206253), (91668, 206145), (114585, 164916), (123687, 152780), (137430, 137502)]